“Microsoft Security Essential” is a free security software from Microsoft. Its beta version created lot of buzzand was appreciated by majority of users for providing adequate protection at no cost. Microsoft has now removed beta tag and released stable & final version of its free security software.
This software provide real-time protection for your home PC and guards against viruses, spyware and other malicious software. It has easy to use interface and surprisingly does not hog too many system resources. It is available for free download and use on Windows 7, Vista & XP (both 32 & 64 bit version). Download from Microsoft or alternative Softpedia download. Note: Your PC must run genuine Windows to install.